Deserialization in Oracle Communications Cloud Native Core Network Function Environment
CVE-2018-15686
A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.
Vulnerability class: Insecure Deserialization
EPSS: 0.023 (81.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Oracle Communications_cloud_native_core_network_function_cloud_native_environment — versions 1.4.0
- Systemd — versions unspecified
- Systemd_project Systemd
- Canonical Ubuntu_linux — versions 16.04, 18.04, 18.10
- Debian Debian_linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@ubuntu.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@ubuntu.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@ubuntu.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@ubuntu.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (mailing-list, x_refsource_MLIST)
- security@ubuntu.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-15686?
- CVE-2018-15686 is a high-severity vulnerability in Oracle Communications Cloud Native Core Network Function Environment, classified under Deserialization of Untrusted Data. CVSS score: 7.8/10. Published 2018-10-26.
- How severe is CVE-2018-15686?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-15686 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.